<template>
  <p>child</p>
  <p>{{ num }}</p>
</template>

<script lang="ts">
export default {
  name: "Child",
  // props: ['num'],
  props: {
    // num: Number,
    num: {
      type: Number,
      required: true,
    },
  },
};
</script>

<style scoped></style>
